Bark beetle

any of numerous small, cylindrical beetles of the family Scolytidae that nest under the bark of hardwood trees, leaving intricate tracings on the wood.
Historical Examples

In the winter of 1953-54 before much mortality had occurred, the bark beetle infestations had become conspicuous.
The Forest Habitat of the University of Kansas Natural History Reservation Henry S. Fitch

any small beetle of the family Scolytidae, which bore tunnels in the bark and wood of trees, causing great damage. They are closely related to the weevils


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  • Bark cloth

    any cloth, as tapa, made by soaking and pounding the inner bark of certain trees. fabric woven to resemble such cloth, used for upholstery, bedcovers, etc. Historical Examples She had a quiet modest demeanour, though her dress was but a narrow fork clout of bark cloth. In Darkest Africa, Vol. 1; or, The quest, rescue […]

  • Barkhausen effect

    the phenomenon of short, sudden changes in the magnetism of a ferromagnetic substance occurring when the intensity of the magnetizing field is continuously altered. noun the phenomenon that ferromagnetic material in an increasing magnetic field becomes magnetized in discrete jumps, discovered by Heinrich Georg Barkhausen (1881–1956)

  • Barklouse

    any of numerous insects of the order Psocoptera that live on the bark of trees and other plants.

  • Bark is worse than one’s bite, one’s

    A person seems more hostile or aggressive than is the case, as in Dad sounds very grouchy in the morning, but his bark’s worse than his bite. This phrase was a proverb by the mid-1600s.

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